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Marketing Opportunities for Starch and High Quality Flour Production from Cassava and Sweetpotato in Uganda Resource and Crop Management Research Monograph No

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Marketing Opportunities for Starch and High Quality Flour Production from Cassava and Sweetpotato in Uganda Resource and Crop Management Research Monograph No Marketing Opportunities for Starch and High Quality Flour Production from Cassava and Sweetpotato in Uganda Resource and Crop Management Research Monograph No. 29 Marketing Opportunities for Starch and High Quality Flour Production from Cassava and Sweetpotato in Uganda R.S.B. Ferris, A. Muganga, R. Matovu, S. Kolijn, V. Hagenimaua, and E. Karuri Intcrnatioual Institute of Tropical Agriculture Preface The Resource and Crop Management Research Monograph series is designed for the wide dissemination of results of research about the resource and crop management problems of smallholder fanners in sub-Saharan Africa, including socioeconomic and policy-related issues. The range of subject matter is intended to contribute to existing knowledge on improved agricultural principles and policies and the effect they have on the sustainability of small-scale food production systems. These monographs summarize results of studies by IITA researchers and their collaborators in the llTA Resource and Crop Management Division (RCMD). They are generally more substantial in content than journal articles. The monographs are aimed at scientists and researchers within the national agricul- tural research systems of Africa, the international research community, policymakers, donors, and international development agencies. Prepublication review and editing of each manuscript are conducted within RCMD. Individuals and institutions in Africa may receive single copies free of charge by writing to: The Director Resource and Crop Management Division International Institute of Tropical Agriculture PMB 5320 lbadan Nigeria The authors R.S.B. Ferris, Enterprise Development Specialist, IITA-Foodnet/lJganda A. Muganga, Market Information Specialist, IITA-Foodnet'Uganda R. Matovu, Research Assistant, IITA-Eastem and Southem Africa Regional Center, Uganda S. Kolijn, Enterprise Develppment Special~st,FAGUganda National Postharvest Program V Hasenimana, Postharvest Specialist, International Potato Center7Kenya E. Karuri, Lecturer in Food Science, University of Nairobi, Kenya 0 2002 International Institute of Tropical Agriculture Contents Preface 11 Abbrevi vii Executive summary viii 1. Uganda: geography and economy ................................................................. Geography ................................ .... ................................ .......... .................. Economy ................................ ..... ... ....................... ....... ... ........ ....... .......... The importance of cassava and sweetpotato ............................................. Production trends for cassava and sweetpotato ........................................ Future trends in root crop production in sub-Saharan Africa .................. Price trends for cassava and sweetpotato Farmers' ability to adjust to changes in the market .................................. Options for starch within the marketing mix of cassava processors ........ 11. Starch properties, methods of production, and products .............................. Starch production and product Sources of starch Starch products and uses 111. Cassava starch: markets, qualities, applications, and methods of extraction ..... Genetic diversity within cassava starch Methods of starch extraction from cass Finishing and packaging IV. Starch production in Uganda .................... .. ........ .. ................................... Lira starch factory V Starch market survey Methodology Use of starch and starch products by major industrial sectors in Uganda Sources of starch procurement .............................. .............................. Indigenous starch production ... ...................... Starch prices ............................................................................................... The Kenya starch market ........................................................................... Fresh competition from South African starch manufacture ...................... Starch replacement Flour prices relativ Differences in starch consumption in this survey compared with the IS1 values Starch quality as re Market potential fo VI. Market opportunities for cassava and sweetpotato products ...... ................. Cassava ........................... ................... ....................................................... S1veetpotato ................................................................................................ Market options for processed root crop products Starch i~nportation...................................................................................... Medium-scale industrial starch production ................................ ............ Small-scale starch processing VII. Strategies and technologies for small-scale market intervention .................. Fro111 traditional to high quality flour processing ..................................... llnproved methods for processing cassava and sneetpotato flour ........... Stages in processing f~igl~quality flour frorn cassa\,a .............................. Manual processin Evaluating small- Cost-ber~etil a11al)sis of tile processing technologies ............................... Smsitibity analysis of cost-benelit The use of chipping and medium c VIII. Conclusions I.ongcr term options for iiiarket i~itcrventiori Options ibr lnarket iritcrvention ................................................................ Recom~nc~~dationsand areas for Tuture rcsearcli ...................................... Acknowledgements ............................................................................................. References .................................... .... ............................................................ Annex I . Glossary of commonly used starch-related terms ......................................... 2 . Questionnaire form used in market survey ................................................... 3 . Factories/institutions visited that do not use starch or subproducts ......... 4 . Cost-benefit analysis ..................................................................................... ... 5 . Sens~t~v~tyanalysis ....................................................................................... Tables Export by value of principle products. US$000s 1990-1997 ...................... Production trends for cassava and other root and tuber crops up to 2020 (000. 000 t Estimated world starch production (1992) (000 t) ....................................... Starch source distribution in global market (excluding China) .................... Uses of starch and starch products in the food sector ............................. Uses of starch and starch products in the nonfood sector ........................... Major classifications of starch types and products ................... .. ............. Summary of methods of starch extraction by scale of operation ................. Factories and institutions that use starch in Uganda .................................... Factories and institutions that use starch-derived products in Uganda ........ Market prices and suppliers of starch and derived products ....................... Factories replacing starch with cassava or maize flour ................................ Starch and flour usage by major industrial sectors ................... .. ............. Retail prices of starch and various flours in Uganda, 1998, fourth quarter ..... Confectionery manufacturers response to cassava flour ................. ..... Comparison of the four identified market options ...................................... Commercial medium- to large-scale versus small-scale starch production in Uganda Relation between met The effect of crop age on root cyanogen levels at Serere station (mg CNIkg DM) Figures 1. National production of cassava and sweetpotato ........................................ 2 . Trends of nominal and deflated fresh cassava and sweetpotato prices in Kampala district. December 1988 to December 1998 .................. 3 . Site of the L~rastarch factory and areas of industrial activity ..................... Heap fermentatio Soaking cassava, Bitter cassava is pe Grated mash is dewatered using a press Dewatered mash or chips are sun dried. The dried product is then milled ............................................................................................. Sweet cassava is chipped, using a manual or power chipper ..................... Power chipper ................................................................................................ Gari coarse granule rasping head ............................................................... Starch fme wire rasping head ...................................................................... Annexes 1. Glossary of commonly used starch-related terms ......................................... 2. Questionnaire for the market survey ............................................................. 3. Factoriesllnstitutions visited that do not use starch or any subproducts in the manufacture of their products ........................................ 4. Cost-benefit analysis of small-scale processing ........................................... 5. Sensitivity analysis of flour processing ......................................................... Abbreviations and acronyms acre a measure of land area, equivalent to 0.4 ha ACDI Agricultural Cooperative for Development International ACIAR Australian Centre for International Agricultural Research CIAT Centro International de Agricultura Tropical c.i.f. commercial, insured freight CIP International
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